Safe GPU Overclocking Temperature?

Saar Koren

Reputable
Mar 24, 2014
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I have a Sapphire Radeon HD 7770. It usually runs at 1000 core clock and 1125 memory clock. I overclocked it to 1150 core clock and 1250 memory clock. The temperature maxed at 61 Celsius, is this a safe temperature?

By safe I mean can I run it overclocked at this temperature for about 2 hours of gaming a day? I know my computer won't crash or anything, but will it have a significant impact on the GPU's life span? Will it affect the rest of the system?